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agp/intel: Fix typo in needs_ilk_vtd_wa()
In needs_ilk_vtd_wa(), we pass in the GPU device but compared it against the ids for the mobile GPU and the mobile host bridge. That latter is impossible and so likely was just a typo for the desktop GPU device id (which is also buggy). Fixes commit da88a5f7f7d434e2cde1b3e19d952e6d84533662 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Feb 13 09:31:53 2013 +0000 drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILK Reported-by: Ting-Wei Lan <lantw44@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91127 References: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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@ -581,7 +581,7 @@ static inline int needs_ilk_vtd_wa(void)
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/* Query intel_iommu to see if we need the workaround. Presumably that
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* was loaded first.
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*/
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if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB ||
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if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG ||
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gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
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intel_iommu_gfx_mapped)
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return 1;
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